4165039 has 2 divisors, whose sum is σ = 4165040. Its totient is φ = 4165038.

The previous prime is 4165037. The next prime is 4165043. The reversal of 4165039 is 9305614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4165039 - 2¹ = 4165037 is a prime.

Together with 4165037, it forms a pair of twin primes.

4165039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4164998 and 4165016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4165037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082519 + 2082520.

It is an arithmetic number, because the mean of its divisors is an integer number (2082520).

Almost surely, 2^4165039 is an apocalyptic number.

4165039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4165039 is an equidigital number, since it uses as much as digits as its factorization.

4165039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 4165039 is about 2040.8427180947. The cubic root of 4165039 is about 160.8939414401.

The spelling of 4165039 in words is "four million, one hundred sixty-five thousand, thirty-nine".